An iron-containing necessary protein within green flowers and certain anaerobic germs that operates in electron transport reactions in biochemical procedures, such as for instance photosynthesis.

some of a class of iron and sulfur-containing proteins, present in green plants, that features in electron transport plus in photosynthesis

any one of a class of metal and sulfur-containing proteins, present green flowers, that functions in electron transportation and in photosynthesis

An iron-containing necessary protein within green flowers and certain anaerobic micro-organisms that works in electron transport responses in biochemical processes, such photosynthesis.

An iron-containing necessary protein within green plants and specific anaerobic micro-organisms that functions in electron transport reactions in biochemical processes, such as for example photosynthesis.

any one of a class of metal and sulfur-containing proteins, within green flowers, that features in electron transportation plus in photosynthesis

some of a class of iron and sulfur-containing proteins, present green plants, that features in electron transportation and in photosynthesis